Home / 357,817.14-493,762.77-196,668.18

Finding the Fourth Proportional to 357,817.14, 493,762.77 and 196,668.18

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Solution

The fourth proportional to 357,817.14, 493,762.77 and 196,668.18 is: 271,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,817.14 : 493,762.77 = 196,668.18 : x
  2. Step 2: Convert to fraction form
    357,817.14/493,762.77 = 196,668.18/x
  3. Step 3: Cross multiply
    357,817.14x = 493,762.77 × 196,668.18
  4. Step 4: Simplify right side
    357,817.14x = 97,107,425,327.66
  5. Step 5: Solve for x
    x = 97,107,425,327.66/357,817.14
  6. Step 6: Final answer
    x = 271,388.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.